Lemma
MediumPermutations & combinations
AQuA-RAT train #22447 · Combinatorics · Permutations & combinations

How many different arrangements of A, B, C, D, and E are…

How many different arrangements of A, B, C, D, and E are possible where A is not adjacent to B ?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #22447

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